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Ask a QuestionSearch for Maf Sensor Questions - Page 1 of 1


Engine light is on, ran codes, came back with many codes: 1399:probable blocked EGR, valve clearance out of range P0300 Cylinder misfire; fuel system concern, ignition system concern, MAF sensor faulty,O2 sensor/air fuel ratio fault, blocked intake P0302, 303, 304; cylinder misfire probable cause...vacuum leak, ignition system concern, blocked fuel ...
My son's 2000 Nissan Xterra would not start. He tried until the battery was near dead. The next day I went to help and it started but ran rough. We drove it to an auto parts store to see what code was coming up with the service engine light on. They said it was the knock sensor. We got it home and I took the top of the engine apart to replace the sensor. ...

My Tacoma seems to be running fine with no apparent issues but the CEL came on so I took it to both Autozone, then to Oreily for reading codes. Both places showed only one code: P0402. I took it to my Toyota dealer, they had codes P0100,P0110, and P0402. They reset CEL and insisted that if light comes back on then the MAF sensor ($1100) needs replaced. ...


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